Structure 51007600000000 · Lawrence County, IL

Fap 322 (ill-1) over Indian Creek

Carries Fap 322 (ill-1) over Indian Creek, 2 Mi S Lawrenceville.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 9 of 9.

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT180 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

180 ft end to end, longest span 70 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built20242 years old
Length180.4 ft55 m
Daily traffic2,550counted 2023
Last inspectedSeptember 2024every 24 months

Location

StateIllinois
CountyLawrence
Location2 Mi S Lawrenceville
CarriesFap 322 (ill-1)
CrossesIndian Creek
Coordinates38.69291, -87.69358

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length180.4 ft (55 m)
Max Span69.9 ft (21.3 m)
Deck Width38.7 ft (11.8 m)
Deck Area649 sq m
Main Spans3
Year Built2024

Traffic

Avg Daily Traffic2,550 (2023)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number051007600000000

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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